import 'package:flutter/material.dart';
import 'package:liftmanager/res/gaps.dart';
import 'package:liftmanager/net/api_service.dart';
import 'package:liftmanager/utils/toast.dart';
import 'package:liftmanager/widgets/app_bar.dart';
import 'package:liftmanager/internal/search/search_router.dart';
import 'package:liftmanager/widgets/app_search_bar.dart';
import 'package:liftmanager/res/resources.dart';
import 'package:liftmanager/routers/fluro_navigator.dart';
import 'package:liftmanager/widgets/load_image.dart';
import 'package:liftmanager/widgets/selected_image_change.dart';
import 'package:image_picker/image_picker.dart';
import 'dart:io';
import 'package:liftmanager/widgets/bbs_content.dart';
import 'package:flutter_screenutil/flutter_screenutil.dart';
import 'package:flutter_spinkit/flutter_spinkit.dart';
import 'package:video_player/video_player.dart';
import 'package:liftmanager/utils/image_utils.dart';
import 'package:liftmanager/internal/bbs/bbs_router.dart';
import 'package:flustars/flustars.dart' as FlutterStars;
import 'package:liftmanager/common/common.dart';
import 'package:liftmanager/utils/theme_utils.dart';

class VideoUpload extends StatefulWidget {
  // BrandPage(this.id);

  // final String id;

  @override
  State<StatefulWidget> createState() {
    return VideoUploadState();
  }
}

class VideoUploadState extends State<VideoUpload> {
  // NewsDetailItem item = NewsDetailItem();

  ScrollController _scrollController = new ScrollController();
  String brandChiose = '请选择';
  String brandName = "品牌";
  int brandIdss;
  bool sortBool = true;
  List<String> imagesUrl = [];
  List<String> videoUrl = [];
  @override
  void initState() {
    super.initState();
  }

  upLoadFileOnce(path) {
    showLoading(context, "正在上传...");
    NewApiService().upload(path, onSuccess: (res) {
      // imagesUrl.add(res.path);
      dismissLoading(context);

      setState(() {
        videoUrl = [];
        imagesUrl = [];
        videoUrl.add(res.pathUrl);
        imagesUrl.add(res.coverUrl);
      });
    }, onError: (code, msg) {
      dismissLoading(context);
      toasts(msg);
    });
  }

  List<dynamic> brandList;
  Future getBrandList() async {
    await NewApiService().getBrandListNoPage(onSuccess: (res) {
      if (res != null) {
        brandList = res;
        setState(() {});
      }
    }, onError: (code, msg) {
      toasts(msg);
    });
  }

  ///选择视频
  void selectPicker() {
    showDialog(
        context: context,
        builder: (BuildContext context) {
          return SimpleDialog(
              title: Text("选择方式"),
              children: ["拍照", '从手机相册选择'].map((String value) {
                print("$value");
                return SimpleDialogOption(
                  child: Text(
                    "${value}",
                    style: TextStyle(fontSize: 16, fontWeight: FontWeight.w500),
                  ),
                  onPressed: () {
                    _getImage(value == '拍照' ? 1 : 0);
                    Navigator.of(context).pop();
                  },
                );
              }).toList());
        });
  }

  void _getImage(int key) async {
    print(key);
    print(333);
    try {
      var _imageFile = await ImagePicker.pickVideo(
        source: key == 1 ? ImageSource.camera : ImageSource.gallery,
      );
      if (_imageFile != null) {
        upLoadFileOnce(_imageFile.path);
        setState(() {});
      }
    } catch (e) {
      toasts("没有权限，无法打开相册！");
    }
  }

  // 焦点控制
  FocusNode focusNode1 = new FocusNode();
  GlobalKey _formKey = new GlobalKey<FormState>();
  TextEditingController _titleController = new TextEditingController();
  TextEditingController _descController = new TextEditingController();
  

  @override
  Widget build(BuildContext context) {
    double width = MediaQuery.of(context).size.width;
    double height = MediaQuery.of(context).size.height;

    return Scaffold(
      resizeToAvoidBottomPadding: false, //不让键盘弹上去
      appBar: MyAppBar(
        centerTitle: "上传视频",
      ),
      body: GestureDetector(
        onTap: () {
          // 点击空白页面关闭键盘
          FocusScope.of(context).requestFocus(focusNode1);
        },
        child: Stack(
          children: <Widget>[
            Container(
                child: ListView(children: <Widget>[
              Form(
                key: _formKey, //设置globalKey，用于后面获取FormState
                // autovalidate: true, //开启自动校验
                child: Column(
                  children: <Widget>[
                    ChioseThisRight(
                        label: "电梯品牌",
                        value: brandChiose,
                        fun: () {
                          setState(() {
                            // brandChiose = brandListChiose[index];
                            sortBool = false;
                            print(5656333);
                          });
                          getBrandList();
                          // Navigator.maybePop(context);
                        }),
                    Row(
                      crossAxisAlignment: CrossAxisAlignment.start,
                      mainAxisAlignment: MainAxisAlignment.start,
                      children: <Widget>[
                        Container(
                          padding: EdgeInsets.only(
                              left: ScreenUtil().setWidth(15),
                              top: ScreenUtil().setWidth(10),
                              bottom: ScreenUtil().setWidth(5)),
                          child: Text(
                            "视频标题",
                            style: TextStyle(
                              // fontSize:ScreenUtil().setSp(14),
                            ),
                            textAlign: TextAlign.left,
                          ),
                        ),
                      ],
                    ),
                    Container(
                      height: 80,
                      padding: EdgeInsets.only(
                          left: ScreenUtil().setWidth(15),
                          right: ScreenUtil().setWidth(15),
                          bottom: ScreenUtil().setWidth(20)),
                      child: TextFormField(
                          // autofocus: true,
                          maxLength: 50,
                          cursorColor: Color(0xffcccccc),
                          controller: _titleController,
                          maxLines: 5,
                          decoration: InputDecoration(
                            contentPadding: EdgeInsets.all(0),

                            hintText: '请输入你上传视频的标题',
                            hintStyle: TextStyle(color: Color(0xffcccccc)),
                            focusedBorder: InputBorder.none,
                            border: InputBorder.none,
                            // filled: true, // 背景色
                            // fillColor: Colors.cyan.withAlpha(35),
                            // icon: Icon(Icons.person)
                          ),

                          // 校验
                          validator: (val) {
                            return val.trim().length > 0 ? null : "不能为空";
                          }),
                    ),
                    SizedBox(
                      height: 6,
                      child: Container(color: ThemeUtils.getDialogTextFieldColor(context)),
                    ),
                    Row(
                      crossAxisAlignment: CrossAxisAlignment.start,
                      mainAxisAlignment: MainAxisAlignment.start,
                      children: <Widget>[
                        Container(
                          padding: EdgeInsets.only(
                              left: ScreenUtil().setWidth(15),
                              top: ScreenUtil().setWidth(10),
                              bottom: ScreenUtil().setWidth(5)),
                          child: Text(
                            "视频简介",
                            style: TextStyle(
                              // fontSize:ScreenUtil().setSp(14),
                            ),
                            textAlign: TextAlign.left,
                          ),
                        ),
                      ],
                    ),
                    Container(
                      height: 120,
                      padding: EdgeInsets.only(
                          left: ScreenUtil().setWidth(15),
                          right: ScreenUtil().setWidth(15),
                          bottom: ScreenUtil().setWidth(20)),
                      child: TextFormField(
                          // autofocus: true,
                          maxLength: 500,
                          cursorColor: Color(0xffcccccc),
                          controller: _descController,
                          maxLines: 5,
                          decoration: InputDecoration(
                            contentPadding: EdgeInsets.all(0),

                            hintText: '请输入您上传视频的简介',
                            hintStyle: TextStyle(color: Color(0xffcccccc)),
                            focusedBorder: InputBorder.none,
                            border: InputBorder.none,
                            // filled: true, // 背景色
                            // fillColor: Colors.cyan.withAlpha(35),
                            // icon: Icon(Icons.person)
                          ),

                          // 校验
                          validator: (val) {
                            return val.trim().length > 0 ? null : "不能为空";
                          }),
                    ),
                    SizedBox(
                      height: 6,
                      child: Container(color: ThemeUtils.getDialogTextFieldColor(context)),
                    ),
                    Container(
                width: width,
                padding: EdgeInsets.only(left:15,top:15),
                child: Text(
                                                        "(建议时长3分钟，建议大小50M)",
                                                        style: TextStyle(
                                                          color: Colors.red,
                                                            fontSize:
                                                                ScreenUtil()
                                                                    .setSp(14),
                                                            ),
                                                            textAlign: TextAlign.left,
                                                      ),
              ),
                    Container(
                        color: ThemeUtils.getTabsBg(context),
                        child: GridView.builder(
                          shrinkWrap: true,
                          padding:
                              const EdgeInsets.fromLTRB(8.0, 12, 8.0, 12.0),
                          physics: NeverScrollableScrollPhysics(),
                          gridDelegate:
                              SliverGridDelegateWithFixedCrossAxisCount(
                                  crossAxisCount: 3, childAspectRatio: 1.18),
                          itemCount:
                              videoUrl.length >= 1 ? 1 : videoUrl.length + 1,
                          itemBuilder: (_, index) {
                            return Stack(
                              children: <Widget>[
                                Center(
                                  child: SelectedImage(
                                      image: index < videoUrl.length
                                          ? imagesUrl[index]
                                          : null,
                                      // image: index < videoUrl.length ? videoUrl[index] : null,
                                      index: index,
                                      onTap: () {
                                        if (index >= videoUrl.length) {
                                          selectPicker();
                                        }
                                        FocusScope.of(context)
                                            .requestFocus(FocusNode());
                                        print(index);
                                        print(videoUrl);
                                      }),
                                ),
                                index < videoUrl.length
                                    ? Positioned(
                                        top: 0,
                                        right: 0,
                                        child: GestureDetector(
                                          onTap: () {
                                            print(index);
                                            videoUrl.remove(videoUrl[index]);
                                            imagesUrl.remove(imagesUrl[index]);
                                            setState(() {});
                                          },
                                          child: Icon(
                                            IconData(0xe62a,
                                                fontFamily: "myfont"),
                                            size: 24.0,
                                            color: Color(0xff999999),
                                          ),
                                        ))
                                    : Container(
                                        child: null,
                                      )
                              ],
                            );
                          },
                        )),
                    SizedBox(
                      height: ScreenUtil().setWidth(80),
                    ),
                  ],
                ),
              )
            ])),
            Positioned(
                bottom: 0,
                left: 0,
                child: Container(
                  width: width,
                  padding: EdgeInsets.only(
                      top: ScreenUtil().setWidth(15),
                      bottom: ScreenUtil().setWidth(15),
                      left: ScreenUtil().setWidth(25),
                      right: ScreenUtil().setWidth(25)),
                  color: ThemeUtils.getDialogTextFieldColor(context),
                  child: Container(
                    height: ScreenUtil().setWidth(44),
                    decoration: BoxDecoration(
                      borderRadius:
                          BorderRadius.circular(ScreenUtil().setWidth(22)),
                      gradient: const LinearGradient(
                          colors: [Color(0xFF00D9FF), Color(0xFF0287FF)]),
                    ),
                    child: FlatButton(
                      // padding: EdgeInsets.all(15.0),
                      child: Text("提交"),
                      textColor: Colors.white,
                      onPressed: () {
                        if (brandIdss == null) {
                          toasts("请选择品牌");
                          return;
                        }
                        if (videoUrl.length < 1) {
                          toasts("请上传视频");
                          return;
                        }
                        String videos = videoUrl.join(",");
                        String images = imagesUrl.join(",");
                        if ((_formKey.currentState as FormState).validate()) {
                          dynamic obj = {
                            "brandId": brandIdss,
                            "title": _titleController.text,
                            "descr": _descController.text,
                            "url": videos,
                            "cover": images,
                            "checkFlag": 2,
                            "statuz": 1,
                            "platformFlag": 1,
                            "userId":FlutterStars.SpUtil.getString(Constant.userId),
                          };
                          showLoading(context, "正在提交...");

                          NewApiService().addVideo(obj, onSuccess: (res) {
                            dismissLoading(context);
                            toasts("提交成功");

                            Navigator.pop(context);
                          }, onError: (code, msg) {
                            dismissLoading(context);
                            toasts(msg);
                          });
                        }
                      },
                    ),
                  ),
                )),
            !sortBool
                ? Positioned(
                    top: 0,
                    left: 0,
                    child: Container(
                        width: width,
                        height: height,
                        color: Color.fromRGBO(0, 0, 0, 0.5)))
                : Container(child: null),
            !sortBool
                ? Positioned(
                    top: 0,
                    right: 0,
                    child: Container(
                        width: width / 4 * 3,
                        height: height,
                        color: Colors.white,
                        padding: EdgeInsets.all(10),
                        child: ListView(
                          children: <Widget>[
                            Container(
                              padding:
                                  EdgeInsets.only(left: 5, top: 5, bottom: 10),
                              child: Text(
                                "品牌",
                                style: TextStyle(
                                    color: Color(0xff666666),
                                    fontSize: ScreenUtil().setSp(16)),
                                textAlign: TextAlign.start,
                              ),
                            ),
                            brandList != null && brandList != []
                                ? Container(
                                    child: Wrap(
                                    alignment: WrapAlignment.start,
                                    crossAxisAlignment:
                                        WrapCrossAlignment.center,
                                    children:
                                        brandList.asMap().keys.map((index) {
                                      return InkWell(
                                        onTap: () {
                                          print("666");

                                          setState(() {
                                            sortBool = true;
                                            brandChiose =
                                                brandList[index].name ?? "";
                                            brandIdss = brandList[index].id;
                                          });
                                        },
                                        child: Container(
                                          width: width / 4 - 17,
                                          padding: EdgeInsets.only(
                                              bottom: ScreenUtil().setWidth(10),
                                              top: ScreenUtil().setWidth(10)),
                                          margin: EdgeInsets.only(
                                              left: 5,
                                              right: 5,
                                              bottom: 5,
                                              top: 5),
                                          decoration: BoxDecoration(
                                              // border: Border(
                                              //   bottom: BorderSide(width: 0.5, color: Colours.line),
                                              // ),
                                              color: Color(0xfff5f5f5)),
                                          child: Text(
                                            brandList[index].name ?? "",
                                            style: TextStyle(
                                                color: Color(0xff666666),
                                                fontSize:
                                                    ScreenUtil().setSp(15)),
                                            textAlign: TextAlign.center,
                                          ),
                                        ),
                                      );
                                    }).toList(),
                                  ))
                                : loadCircle()
                          ],
                        )))
                : Container(child: null),
          ],
        ),
      ),
    );
  }

  Widget loadCircle() {
    return Container(
      padding: EdgeInsets.only(top: 10, bottom: 10),
      color: ThemeUtils.getTabsBg(context),
      child: Center(
        child: SpinKitFadingCircle(
          color: Colors.blueAccent,
          size: 30.0,
        ),
      ),
    );
  }
}

class ChioseThisRight extends StatelessWidget {
  ChioseThisRight(
      {Key key, this.value, this.label, this.fun, this.labelText = '请选择'})
      : super(key: key);
  String value;
  String label;
  Function fun;
  String labelText;
  @override
  Widget build(BuildContext context) {
    double width = MediaQuery.of(context).size.width;
    return InkWell(
      onTap: () {
        fun();
      },
      child: Container(
        padding: EdgeInsets.only(
            top: ScreenUtil().setWidth(15), bottom: ScreenUtil().setWidth(15)),
        margin: EdgeInsets.only(left: ScreenUtil().setWidth(15)),
        decoration: BoxDecoration(
          border: Border(
            bottom: BorderSide(width: 0.5, color: Colours.line),
          ),
        ),
        child: Row(
            mainAxisAlignment: MainAxisAlignment.spaceBetween,
            children: <Widget>[
              Text(
                label,
                style: TextStyle(
                  // fontSize: ScreenUtil().setSp(14)
                ),
                textAlign: TextAlign.start,
              ),
              value.isEmpty
                  ? Container(
                      child: Row(children: <Widget>[
                        Text(
                          labelText,
                          style: TextStyle(
                            color: Color(0xffcccccc),
                            // fontSize: ScreenUtil().setSp(14)
                          ),
                          textAlign: TextAlign.start,
                        ),
                        Container(
                          padding: EdgeInsets.only(top: 3),
                          child: Icon(
                            Icons.keyboard_arrow_right,
                            size: 20.0,
                            color: Color(0xffcccccc),
                          ),
                        ),
                        SizedBox(width: 10)
                      ]),
                    )
                  : Container(
                      padding:
                          EdgeInsets.only(right: ScreenUtil().setWidth(15)),
                      child: Row(children: <Widget>[
                        Text(
                          value,
                          style: TextStyle(
                              color: Color(0xff222222),
                              fontSize: ScreenUtil().setSp(14)),
                          textAlign: TextAlign.start,
                        ),
                      ]),
                    ),
            ]),
      ),
    );
  }
}